diff --git a/src/undo.c b/src/undo.c
index 040ec54..ebf18da 100644
--- a/src/undo.c
+++ b/src/undo.c
@@ -3124,8 +3124,13 @@
     }
     else
 #endif
-	vim_snprintf((char *)buf, buflen, _("%ld seconds ago"),
-						      (long)(vim_time() - tt));
+    {
+	long seconds = (long)(vim_time() - tt);
+
+	vim_snprintf((char *)buf, buflen,
+		NGETTEXT("%ld second ago", "%ld seconds ago", seconds),
+		seconds);
+    }
 }
 
 /*